Home / 74,803.97-112,265.75-38,790.66

Finding the Fourth Proportional to 74,803.97, 112,265.75 and 38,790.66

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Solution

The fourth proportional to 74,803.97, 112,265.75 and 38,790.66 is: 58,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.97 : 112,265.75 = 38,790.66 : x
  2. Step 2: Convert to fraction form
    74,803.97/112,265.75 = 38,790.66/x
  3. Step 3: Cross multiply
    74,803.97x = 112,265.75 × 38,790.66
  4. Step 4: Simplify right side
    74,803.97x = 4,354,862,634.87
  5. Step 5: Solve for x
    x = 4,354,862,634.87/74,803.97
  6. Step 6: Final answer
    x = 58,217.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.